Permian–Triassic extinction event

GPTKB entity

Predicate	Object
gptkbp:instanceOf	mass extinction event
gptkbp:affects	insects amphibians marine invertebrates plants reptiles evolution of life on Earth
gptkbp:alsoKnownAs	gptkb:Great_Dying
gptkbp:category	Extinction events Mesozoic events Paleozoic events
gptkbp:cause	gptkb:Siberian_Traps_eruptions climate change ocean acidification volcanism anoxia asteroid impact (hypothesized) methane release
gptkbp:causeOfExtinction	about 70% of terrestrial vertebrate species many insect species over 90% of marine species
gptkbp:date	about 252 million years ago
gptkbp:duration	less than 200,000 years
gptkbp:evidence	fossil specimen carbon isotope anomalies iridium anomalies sedimentary layers
gptkbp:followedBy	gptkb:Triassic–Jurassic_extinction_event
https://www.w3.org/2000/01/rdf-schema#label	Permian–Triassic extinction event
gptkbp:ledTo	rise of dinosaurs decline of synapsids recovery of ecosystems in Triassic
gptkbp:location	global
gptkbp:occurredAtEndOf	gptkb:Permian_Period
gptkbp:occurredAtStartOf	gptkb:Triassic_Period
gptkbp:occurredIn	gptkb:Phanerozoic_Eon
gptkbp:precededBy	gptkb:Guadalupian–Lopingian_extinction_event
gptkbp:significance	largest mass extinction in Earth's history
gptkbp:studiedBy	climate scientists geologists paleontologists
gptkbp:bfsParent	gptkb:Permian gptkb:Trilobites gptkb:Paleozoikum gptkb:Paleozoic_Era gptkb:Permian_period gptkb:Triassic–Jurassic_extinction_event gptkb:Changhsingian_age gptkb:Lopingian_epoch gptkb:Eurypterida gptkb:Extinction gptkb:Rugosa
gptkbp:bfsLayer	6